diff --git a/MLPP/KMeans/KMeans.cpp b/MLPP/KMeans/KMeans.cpp
index 7cd118b..c4706ea 100644
--- a/MLPP/KMeans/KMeans.cpp
+++ b/MLPP/KMeans/KMeans.cpp
@@ -10,6 +10,7 @@
 
 #include <iostream>
 #include <random>
+#include <climits>
 
 namespace MLPP{
     KMeans::KMeans(std::vector<std::vector<double>> inputSet, int k, std::string init_type)
diff --git a/MLPP/NumericalAnalysis/NumericalAnalysis.cpp b/MLPP/NumericalAnalysis/NumericalAnalysis.cpp
index 60f99e7..4762044 100644
--- a/MLPP/NumericalAnalysis/NumericalAnalysis.cpp
+++ b/MLPP/NumericalAnalysis/NumericalAnalysis.cpp
@@ -7,6 +7,9 @@
 #include "NumericalAnalysis.hpp"
 #include "LinAlg/LinAlg.hpp"
 #include <iostream>
+#include <string>
+#include <cmath>
+#include <climits>
 
 namespace MLPP{
 
@@ -177,7 +180,7 @@ namespace MLPP{
         */
 
         // auto growthFunction = [&C, &k](double t) { return C * exp(k * t); };
-        return C * exp(k * t);
+        return C * std::exp(k * t);
     }
     
     std::vector<double> NumericalAnalysis::jacobian(double(*function)(std::vector<double>), std::vector<double> x){